linux-kernel - Re: [PATCH v3 2/6] objtool: Add architecture specific R

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Message-ID: <YxEKLSpNlUTvj4yt@hirez.programming.kicks-ass.net>
Date:   Thu, 1 Sep 2022 21:38:21 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>, sv@...ux.ibm.com,
        bgray@...ux.ibm.com, agust@...x.de, jpoimboe@...nel.org,
        jbaron@...mai.com, rostedt@...dmis.org, ardb@...nel.org,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dave.hansen@...ux.intel.com, hpa@...or.com,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        x86@...nel.org, chenzhongjin@...wei.com
Subject: Re: [PATCH v3 2/6] objtool: Add architecture specific R_REL32 macro

On Thu, Sep 01, 2022 at 01:48:21PM +0200, Christophe Leroy wrote:
> In order to allow other architectures than x86 to use 32 bits
> PC relative relocations (S+A-P), define a R_REL32 macro that each
> architecture will define, in the same way as already done for
> R_NONE, R_ABS32 and R_ABS64.
> 
> For x86 that corresponds to R_X86_64_PC32.
> For powerpc it is R_PPC_REL32/R_PPC64_REL32.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>